Percentages at or above each achievement level for grade 8 science, by public or private school, 2 categories and jurisdiction: 2011 and 2009
below Basicat or above Basicat or above Proficientat Advancedbelow Basicat or above Basicat or above Proficientat Advanced
NOTE: Detail may not sum to totals because of rounding. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 and 2011 Science Assessments.